/*
 *  NFCSigning - Open source library for signing/validation of NDEF messages
 *  Copyright (C) 2009-2010 The NFCSigning Team
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */
package org.nfcsigning.algorithm;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;

/**
 *
 * @author Markus Kilås
 */
public class PrivateKey {
    
    private PrivateKeyInfo privateKeyInfo;
    private DERObject object;

    public PrivateKey(byte[] bytes) throws IOException {
        this(new ByteArrayInputStream(bytes));
    }
    
    public PrivateKey(InputStream in) throws IOException {
        ASN1InputStream aIn = new ASN1InputStream(in);
        object = aIn.readObject();
    }
    
    public PrivateKeyInfo getPrivateKeyInfo() {
        privateKeyInfo = PrivateKeyInfo.getInstance(object);
        return privateKeyInfo;
    }
        
}
